2010年石嘴山市流感监测结果分析

Analysis on influenza surveillance in Shizuishan in 2010

目的分析石嘴山市2010年度流感监测结果,了解流感病毒优势株的变化,为流感防控提供科学依据。方法通过流感监测信息系统计算哨点医院流感样病例就诊比例,并采集流感样病例标本进行病原学检测。结果流感样病例就诊比例为0.6%,高峰出现在1月和3月,25~59岁年龄组发病较高,病毒核酸检测阳性率为14.6%,B型最多占53.2%,但不同时期优势型别不同。结论 2010年石嘴山市流感活动相对稳定,1~10月以B型流感病毒为主,11、12月份以季H3型为主。

Objective To analyze the surveillance results of influenza in Shizuishan at 2010,understand the dominant strains of influenza virus,and provide scientific basis for influenza prevention and control.Method Calculating the treatment proportion of influenza-like illness which from sentinel hospital information system and influenza-like illness specimens was carried out pathogen detection.Results The proportion of ILI patients visited to hospitals was 0.6%,the peak times of the disease were in January and March,the incidence rate was higher at the group of 25 to 59 ages,the positive rate of virus nucleic acid was 14.6%,and B-type was accounted for 53.2%,but the dominant virus changed in different periods.Conclusions Influenza activity was relatively stable in Shizuishan at 2010,the dominant strain of influenza virus in January to October was type B,and the main type was H3 in November and December.